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THE SURGICAL VALUE OF THE DIFFERENTIAL LEUCOCYTE COUNT.

JAMA. 1906;XLVI(24):1845-1846. doi:10.1001/jama.1906.02510510037007.
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Enumeration of the corpuscular elements of the blood, both red and colorless cells, is so well established a procedure as to require no special advocacy at the present time. It must be borne in mind, however, that the information acquired in this way will prove of greatest value according as it is weighed in connection with the other clinical phenomena present. Alteration in the number of blood corpuscles is due to so many different causes that a careful study of all the signs and symptoms will often be necessary, and is always to be advised, in order to determine the particular cause in any given case. A determination of the relative number of the several varieties of leucocytes, besides, will often yield valuable information, sometimes even when the number of colorless corpuscles is not increased. Decisive as is at times the information thus gained in the diagnosis of affections ordinarily

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